May weather forecast
Threemile Harbor, NY

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Weather in May

The last month of the spring, May, is a refreshing month in Threemile Harbor, New York, with an average temperature ranging between max 58.1°F (14.5°C) and min 52.7°F (11.5°C).

Temperature

May signifies a subtle uplift in the average high-temperature, adjusting from a frosty 49.8°F (9.9°C) in April to a refreshing 58.1°F (14.5°C). An average low-temperature of 52.7°F (11.5°C) characterizes Threemile Harbor's May nights.

Humidity

The months with the highest humidity in Threemile Harbor, New York, are May and June, with an average relative humidity of 82%.

Rainfall

In Threemile Harbor, in May, it is raining for 14.8 days, with typically 2.83" (72mm) of accumulated precipitation. Throughout the year, there are 148 rainfall days, and 33.07" (840mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Threemile Harbor are January through May, November and December. May is the last month it regularly snows in Threemile Harbor. During 0.1 snowfall days, in May, Threemile Harbor aggregates 0.16" (4mm) of snow. Throughout the year, in Threemile Harbor, there are 12.6 snowfall days, and 5.94" (151mm) of snow is accumulated.

Daylight

The average length of the day in May is 14h and 29min.
On the first day of May, sunrise is at 5:45 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 5:18 am and sunset at 8:14 pm EDT.

Sunshine

The average sunshine in May is 8.8h.

UV index

In Threemile Harbor, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: During May, 5 as the daily maximum UV index converts into the following advice:
Exercise prevention - Protecting skin and eyes from harm is required. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature in Threemile Harbor?

In May, in Threemile Harbor, the average high-temperature is 58.1°F (14.5°C), and the average low-temperature is 52.7°F (11.5°C).

What are the most humid months in Threemile Harbor?

The months with the highest humidity in Threemile Harbor are May and June, with an average relative humidity of 82%.

What is the average humidity in May in Threemile Harbor?

The average relative humidity in May is 82%.

How many days does it rain in May in Threemile Harbor?

In Threemile Harbor, in May, it is raining for 14.8 days, with typically 2.83" (72mm) of accumulated precipitation.

What is the last month it snows in Threemile Harbor?

May is the last month it regularly snows in Threemile Harbor. During 0.1 snowfall days, in May, Threemile Harbor aggregates 0.16" (4mm) of snow.

How many hours of daylight does Threemile Harbor have in May?

In May, the average day length is 14h and 29min.

When are sunrise and sunset in May in Threemile Harbor?

In May, on the first day of the month, sunrise is at 5:45 am and sunset at 7:45 pm. On the last day of the month, in Threemile Harbor, sunrise is at 5:18 am and sunset at 8:14 pm EDT.

How long on average sun shines in May in Threemile Harbor?

In May, the average sunshine duration in Threemile Harbor is 8.8h.

How high is the UV index in May in Threemile Harbor?

The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Threemile Harbor, NY

Average temperature in May - Threemile Harbor, NY
  • Average high temperature in May: 58.1°F

The warmest month (with the highest average high temperature) is August (75.4°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in May: 52.7°F

The month with the highest average low temperature is August (71.2°F).
The coldest month (with the lowest average low temperature) is January (31.1°F).

Average pressure in May
Threemile Harbor, NY

Average pressure in May - Threemile Harbor, NY
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in May
Threemile Harbor, NY

Average wind speed in May - Threemile Harbor, NY
  • Average wind speed in May: 12.4mph

The windiest month (with the highest average wind speed) is January (16.4mph).
The calmest month (with the lowest average wind speed) is July (10.8mph).

Average humidity in May
Threemile Harbor, NY

Average humidity in May - Threemile Harbor, NY
  • Average humidity in May: 82%

The months with the highest relative humidity are May and June (82%).
The month with the lowest relative humidity is November (72%).

Average rainfall in May
Threemile Harbor, NY

Average rainfall in May - Threemile Harbor, NY
  • Average rainfall in May: 2.83"

The wettest month (with the highest rainfall) is December (3.54").
The driest month (with the least rainfall) is September (2.09").

Average rainfall days in May
Threemile Harbor, NY

Average rainfall days in May - Threemile Harbor, NY
  • Average rainfall days in May: 14.8 days

The months with the highest number of rainy days are July and August (15.5 days).
The month with the least rainy days is January (8.3 days).

Average snowfall in May
Threemile Harbor, NY

Average snowfall in May - Threemile Harbor, NY
  • Average snowfall in May: 0.16"

The month with the highest snowfall is March (1.97").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in May
Threemile Harbor, NY

Average snowfall days in May - Threemile Harbor, NY
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (3.9 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in May /
Average sunshine in May
Threemile Harbor, NY

Average daylight in May / Average sunshine in May - Threemile Harbor, NY
  • Average daylight in May: 14h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in May: 8h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).

Average sunshine days in May
Threemile Harbor, NY

Average sunshine days in May - Threemile Harbor, NY
  • Average sunshine days in May: 14.8 days

The month with the most sunshine days is November (18.4 days).
The months with the least sunshine days are July and August (13.3 days).

Average UV index in May
Threemile Harbor, NY

Average UV index in May - Threemile Harbor, NY
  • Average UV index in May: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).

Average cloud cover in May
Threemile Harbor, NY

Average cloud cover in May - Threemile Harbor, NY
  • Average cloud cover in May: 43

The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in May
Threemile Harbor, NY

Average visibility in May - Threemile Harbor, NY
  • Average visibility in May: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Threemile Harbor, New York, USA

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